.sort {
    margin-top: 15px;
    padding-left: 260px;
    box-sizing: border-box;
    color: #666;
    font-size: 12px;
    line-height: 1.5;
    position: relative;
    z-index: 90;
}

.sort > .wrap {
    box-sizing: content-box;
    height: 36px;
    border: 1px solid #e4e4e4;
    background: #f5f5f5;
    color: #666;
    line-height: 36px;
}

.sort .sortMode {
    overflow: visible;
    float: left;
    height: 36px;
}

.sort .sortMode h1.filter-result {
    display: none;
    height: 36px;
    line-height: 36px;
    float: left;
    padding: 0 18px;
    background: #fff;
    border-right: 1px solid #e4e4e4;
    font-size: 12px;
    font-weight: 400;
    cursor: default;
}

.sort .sortMode > dl {
    border: 1px solid transparent;
    border-width: 0 1px;
    position: relative;
    /*z-index: 10;*/
    overflow: hidden;
    float: left;
    height: 36px;
    margin: 0 1px 0 -1px;
    white-space: nowrap;
}

.sort .sortMode dt {
    font-weight: normal;
    line-height: 36px;
    padding: 0 18px;
    cursor: default;
}

.sort .sortMode > dl:hover {
    height: auto;
    overflow: visible;
    background: #fff;
    border: 1px solid #e4e4e4;
    border-width: 0 1px 1px;
    -webkit-box-shadow: 1px 1px 4px rgba(0, 0, 0, .1);
    box-shadow: 1px 1px 4px rgba(0, 0, 0, .1)
}

.sort .sortMode > dl:hover dd {
    visibility: visible;
    opacity: 1;
}

.sort .sortMode dt > .arrow {
    position: relative;
    display: inline-block;
    margin-left: 5px;
}

.sort .sortMode dt > .arrow:after,
.sort .sortMode dt > .arrow:before {
    display: block;
    width: 0 !important;
    height: 0 !important;
    padding: 0 !important;
    font-size: 0 !important;
    line-height: 0 !important;
    border: 5px solid transparent;
    border-bottom-width: 0;
    border-top-color: #666;
    content: " ";
}

.sort .sortMode dt > .arrow:after {
    position: absolute;
    left: 1px;
    bottom: 1px;
    border-width: 4px;
    border-bottom-width: 0;
    border-top-color: #f5f5f5;
}

.sort .sortMode dd {
    position: relative;
    z-index: 12;
    visibility: hidden;
    opacity: 0;
    -webkit-transition: all .1s ease .1s;
    -moz-transition: all .1s ease .1s;
    -ms-transition: all .1s ease .1s;
    transition: all .1s ease .1s;
}

.sort .sortMode dd a {
    text-decoration: none;
    line-height: 36px;
    height: 36px;
    display: block;
    padding: 0 32px 0 17px;
    color: #666;
}

.sort .sortMode dd a:hover {
    color: #35B558;
}

.hot-lessonbox {
    padding-left: 260px;
    box-sizing: border-box;
}

.hot-lessonbox:after {
    content: "";
    display: block;
    clear: both;
    width: 100%;
}

.hot-lessonbox .lesson-list ul {
    position: relative;
}

.hot-lessonbox .lesson-list ul li {
    float: left;
    margin-right: 10px;
    background: 0 0;
    margin-bottom: 20px;
    height: 220px;
    width: 235px;
}

.hot-lessonbox .lesson-list ul li:hover {
    z-index: 300;
    position: relative;
}

.hot-lessonbox .lesson-list ul li:hover .lessonplay {
    opacity: 1;
}

.hot-lessonbox .lesson-list ul li:hover .lesson-desc {
    opacity: 1;
    display: block;
    height: 52px;
}

.hot-lessonbox .lesson-list ul li:hover .lesson-infor {
    height: 175px;
}

.hot-lessonbox .lesson-list ul li:hover .middle-rank {
    display: block;
}

.hot-lessonbox .lesson-list .lessonimg-box {
    border: 1px solid #e4e4e4;
    border-bottom: 0;
    width: 235px;
    height: 130px;
    position: relative;
}

.lesson-list .lessonimg-box .lessonimg {
    width: 100%;
    height: 130px;
}

.hot-lessonbox .lessonplay {
    background: rgba(0, 0, 0, .4);
    width: 100%;
    height: 100%;
    z-index: 70;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
}

.lesson-list .lessonplay .playericon {
    position: absolute;
    z-index: 80;
    width: 50px;
    height: 50px;
    display: block;
    left: 50%;
    top: 50%;
    margin-left: -25px;
    margin-top: -25px;
    background: url("../../images/player_icon.png") 0 0 no-repeat;
    cursor: pointer;
    background-size: 50px 50px;
}

.hot-lessonbox .lesson-list .lesson-infor {
    border: 1px solid #e4e4e4;
    border-top: 0;
    background: #fff !important;
    height: 88px;
    padding: 10px;
    position: relative;
    z-index: 80;
    overflow: hidden;
}

.lesson-list .lesson-infor .lesson-info-h2, .lesson-list .lesson-infor h5 {
    font-size: 14px;
    color: #333;
    line-height: 18px;
    margin-bottom: 12px;
    height: 36px;
    overflow: hidden;
}

.lesson-list .lesson-infor .lesson-info-h2 a, .lesson-list .lesson-infor .lesson-info-h2 a:hover, .lesson-list .lesson-infor h5 a, .lesson-list .lesson-infor h5 a:hover {
    color: #333;
    text-decoration: none;
}

.lesson-list .lesson-infor p {
    color: gray;
    font-size: 12px;
    line-height: 18px;
    height: 0;
    overflow: hidden;
    opacity: 0;
    margin-bottom: 10px;
    display: none;
}

.lesson-list .lesson-infor .timeandicon {
    font-size: 12px;
    color: gray;
    position: relative;
}

.lesson-list .lesson-infor .timeandicon dl {
    width: 120px;
    float: left;
    white-space: nowrap;
}

.lesson-list .lesson-infor .timeandicon dl dd {
    font-size: 12px;
}

.lesson-list .lesson-infor .timeandicon .time-icon {
    background: url("../../images/clok.png") 0 0 no-repeat;
    width: 14px;
    height: 14px;
    display: block;
    float: left;
    margin-right: 8px;
    background-size: 14px 14px;
}

.lesson-list .lesson-infor .middle-rank {
    display: none;
}

.lesson-infor .timeandicon .xinhao-icon {
    background: url("../../images/one-ji.png") 0 0 no-repeat;
    background-size: 14px 14px;
    width: 14px;
    height: 14px;
    display: block;
    float: left;
    margin-right: 8px;
}

.lesson-list .lesson-infor .timeandicon .learn-number {
    float: right;
    display: block;
}

.lesson-list .lessonimg-box .free-icon {
    height: 22px;
    width: 38px;
    display: inline-block;
    position: absolute;
    top: -2px;
    right: 8px;
    z-index: 60;
    background: url("../../images/icon.png") -58px -43px no-repeat;
}

.lesson-list .lesson-infor .lessonicon-box a img {
    display: block;
    width: 16px;
    height: 16px;
}
